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(No Model.) A. NEWTON.

MANUFACTURE OF BOOTS AND SHOES. No. 255,009 Patented Mar. 14,1882.

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To all whom it may concern:

I mes STATES ATENT meta.

ARTHUR NEWTON, OF BOSTON, MASSACHUSETTS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO THE NEWTON AND HIBBARD MACHINE COMPANY.

MANUFACTURE OF BOOTS AND SHOES.

SPECIFICATION forming part of Letters Patent No. 255,009, dated March 14, 1882 Application filed May 3], 1881. (No model.)

Be it known that I, ARTHUR NEWTON, of

Boston, in the county of Suffolkand State of boots or shoes having an outer sole and an inner sole between which the edges of the upper are interposed, said parts being secured together by nails, or by stitches extending through both soles and the interposed edges of the upper. The bottoms of'boots and shots of this class are secured by a machine having a pivoted horn inserted in the boot or shoe and supporting the inner sole, said horn having a clinching-surface or anvil to clinch the nails in a sole-nailingmachine, and a whirl and orifice 2o for the passage of the thread to stitchforming mechanism in a sewing-machine. A type of the last-named machine is found in the McKay sewing-machine.

The invention has for its object to provide certain improvements in the horn of a sole sewing or nailing machine, whereby, when the inner sole is channeled to form a flap upon its upper surface to cover the sole-fastenings, as hereinafter described, said flap may be automatically raised at apoint immediately in ad vance of the pointwhere the sole-fastenings are inserted.

To this end my invention consists in the provision upon the horn of a sole nailing or sewing machine of a channel-opener adapted to raise the above-named flap, and to serve also as the nail-clinching anvil when applied to the horn of a nailing-machine, asI will now proceed to describe.

Of the accompanying drawings, forming part of this specification, Figure 1 represents a side view of the horn of a nailing-machine embodying my invention. Fig. 2 represents a top view of the anvil. Fig. 3 represents a section through the anvil and a portion of the horn on plane of line as w, 2. Fig. 4 represents a section of the shoe before the nails are driven. Fig. 5 represents a similar section,

the shoe being in position on the horn and the nail clinched. Figs. (land 7 represent respectively side and top views of the end of the horn ofa McKay sewing-machine, showing a channel-opener thereon.

The same letters indicate the same parts in all the figures.

I will first describe my invention with reference to scout ingthe bottom of a boot or shoe by nails.

In the drawings, a represents an anvil-block,

forming the upper extremity of a horn, h, of a sole-nailing machine. The anvil-block a is enlarged upon its clinching-surface, and is tapered inwardlyor contracted from said surface to its junction with the hoin, this tapering of the horn forming the receding sides M, which clear the work and guide the channel-flap aiight without unduly reflexing or crimping it, and also forming the angular edge are the junction of the sides and face, which insures the turning of the flap, as hereinafter specified. The anvil ais in this instance pro vided with a pivot, b, inserted within asocket formed inthe horn It, said pivot enabling the shoe to be moved eas'ly upon the horn in the nailing operation. The anvil, however, may form an integral part of the horn, if desired, without de 'nirting from the spirit of my invention. The bearing-surface of the anvil is preferabl y roughened 0r corrugated to prevent the .work from slipping upon it. The horn h may be of any suitable construction, and is adapted to turn in its support in the usual manner.

In preparing a boot or shoe for the sole-fastening operation the inner sole, 2', is channeled laterally from its outer edge to form a marginal flap,f, on its upper surface, which flap is turned back, as shown in Fig. 4, when the lasted shoe is placed upon the born to allow the. anvil-block a to be inserted between the flapf and the upper to, as shown in Fig. 5, thereby exposing the surface of 'the inner sole under said flap. The nailing operation is then effected in the usual manner, the described shape of the anvil-block a adapting said block to displace the flap f entirely around the shoe as the shoe is fed upon the horn, and to hold the flap faway from the channel during the nailing operation, thus enabling the nails a, when driven through the outer sole, 8, to be clinched upon the exposed surface of the inner sole under the flap. The flap is afterward turned down and secured in any suitable manner to cover the clinched points of the nails.

In lasting the shoe the lasting-tacks t should be driven in the parts of the inner sole inside of the channel, as shown in Fig. 4, so that said lasting-tacks will not interfere with the raising of theflapfduring the nailing operation.

In carrying out my invention with regard to a boot or shoe sole sewingorstitching machine I provide the horn lb of aMcKay or othersewing-tnachine with a channel-opener, a, similar in form to the anvil a, as seen in Figs. 6 and 7. This channel-opener is located over the usual whirl and thread-orifice of the horn, and has a central orifice, 0, through which the thread passes from the horn to the stitch-formin g mechanism above.

The function of the channel-o 'mner a is the same as that of the anvil 0t in displacing the flap and exposing the surface of the inner sole. The stitches are laid by the usual operation of the machine upon the exposed surface of the inner sole and are afterward covered by the flap.

The form of the channel-opener may be variously modified without departing from the spirit of my invention. I have i'oundit essential, however, that the supporting-surface of the channel-opener be raised above the horn sufficiently to afford room for the flap to stand out abruptly from the inner sole, as shown in Fig. 5, when displaced by the channel-opener. If a channel-opener not sufficiently raised were used, the flap would he turned back by contact with the horn, so that it could not stand out abruptly from the sole, and the result would be that when the channel-opener is raising the curved portion of the flap at the toe the puckers or waves of the displaced curved portion, due to the increased length of the outer over the inner margin of such curved portion, would cause the flap to form a fold across the surface under the flap, which fold would almost invariably insert itself between the channel-opener and the surface under the flap, and thus cause the flap itself to ride upon the channel-opener without being displaced thereby. The necessary height of the channel-opener above the horn will depend upon the Width of the flap. I have found that a channel-opener whose height is equal to about half the width of the flap operates with good results. I prefer to incline the sides of the channel-openerinwardly, so as to form an acute angle at the margin of the work-supporting surface of the channelopener, said angle hein g adapted to fit closely in the re entrant angle formed by thedisplaced flap and the surface of the sole under the same, and prevent said surface from being moved laterally off from the opener.

I claim- 1. The anvil at, having the inwardly and downwardly receding sides a and the enlarged angular edge a, formed by the juncture of the top surface and sides, and adapted to be applied to the horn h, substantially as shown, and for the purpose described.

ARTHUR NEWTON.

Witnesses:

O. F. BROWN, D. B. MoRRIsoN. 

